Home / 11,187.22-16,777.24-3,689.09

Finding the Fourth Proportional to 11,187.22, 16,777.24 and 3,689.09

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Solution

The fourth proportional to 11,187.22, 16,777.24 and 3,689.09 is: 5,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.22 : 16,777.24 = 3,689.09 : x
  2. Step 2: Convert to fraction form
    11,187.22/16,777.24 = 3,689.09/x
  3. Step 3: Cross multiply
    11,187.22x = 16,777.24 × 3,689.09
  4. Step 4: Simplify right side
    11,187.22x = 61,892,825.46
  5. Step 5: Solve for x
    x = 61,892,825.46/11,187.22
  6. Step 6: Final answer
    x = 5,532.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.